an industry leader in fastener technology

It's an ideal choice for individuals who want to push the limits of their M50/M52/S50/S52 Turbocharged and Supercharged engine builds and require a stronger head stud

and #11240150249 in the BMW N63 and S63 engines with a 138

Lock nut and protective plastic cap for M6 main power terminal

1986-1987      E30     M3 Evo I

BMW / Toyota B58 Gen2 Cut Ring Head Gasket by Athena-SCE Bore Size - Thickness:84.5 mm - 0.040" an industry leader in fastenerThis B58 Gen 2 Head Gasket is specifically engineered to replace OEM part # 11115WAA04 and # 11127934495 Factory OEM & MLS head gaskets are only engineered to handle a limited amount of cylinder pressures before they start to leak, causing a range of issues, including engine overheating, loss of power, misfires, and in severe cases, catastrophic engine failure. Athena SCE Cut Ring Head Gaskets are uniquely designed to handle increased cylinder